Spring structure



-March 1934- G. A. STACKHOUSE SPRING STRUCTURE Filed June 13, 1932 2 SheetsSheet l 11v VLN TOR I B Y m/ /r ciqk/mwe VgfiQWZ/A TTORNE YS March 6, 1934. s. A. STAKHOUSE SPRING STRUCTURE Filed June 13, 1932 2 Sheets-Sheet 2 B Y 560/206 wigmi Patented Mar. 6, 1934 UNITED STATES PATE oFFicE to L. A. V Detroit, Mich.

.oung Spring & Wire Corporation,

Application June 13, 1932, Serial No. 616,888

5 Claims. (Cl. 5-262) The main object of this invention is to provide an improved mattress filler spring structure or bed spring structure in which the full resilience of the body springs is utilized and at the same time the structure is supported against lateral swaying or sagging movement. .7

A further object is to provide a structure having these advantages which may be readily applied to or embodied in spring structures of a type now in extensive use.

Objects relating to details and economies of my invention will appear from the description to fol low.

A structure which is a preferred embodiment of my invention is illustrated in the accompanying drawings, in which:

Fig. 1 is a fragmentary perspective view of a mattress structure embodying the features of my invention.

Fig. 2 is an enlarged fragmentary end elevation of the spring unit or mattress shown in Fig. 1.

Fig. 3 is a fragmentary end elevation of my improvements as embodied in a bed spring, the parts being shown in normal position.

Fig. 4 is a fragmentary end elevation with the springs partially collapsed.

Fig. 5 is a fragmentary view sectioned on line 5-5 of Figs. 3 and i.

In the embodiment of my invention illustrated in Figs. 1 and 2, 1 represents the upholstering of a mattress or the casing for the spring mattress filler unit. This spring unit comprises border frames 2 and 3, helical body springs 4 secured to the body frames and connected as by the helical cross members 5. On the end members of the border frame 2, I mount the depending arms 6, these being disposed centrally of the end members.

Clips '7 are secured to the border frame 3 on opposite sides of the vertical plane of the arm 5 and.

in uniformly spaced relation thereto. Links 8 are secured to the clips '7 by the pivots 9 and to the equalizer bars 10 by the pivots 11. The equalizer bars are pivoted at 12 on the arms 6. The links 8 are of such length and the pivots are so arranged that the equalizer bars are normally inclined or disposed at an angle to the vertical plane of their pivots.

In Figs. 3, 4. and 5, I show an adaptation of my improvements to a bed spring in which the top frame 13 and the bottom of the frame 14 are both formed of angle iron, these frames being assembled with the body springs 15. The arms 16 are disposed centrally of the top frames, the links 8 being secured to the bottom border frame by the angled clips or brackets 17; otherwise, the structure is substantially the same as in the adaptation described for mattress spring units.

With the parts thus arranged, side sway or lateral sagging of the topframe is effectively prevented; at the same time the full resiliency of the springs is retained. The parts are so arranged that the strain thereon is relatively slight which is of material advantage as they do not add 0bjectionable weight.

I have not attempted to illustrate certain other adaptations or embodiments which I contemplate as it is believed that this disclosure will enable those skilled in the art to embody or adapt my improvements as may be desired.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:

l. The combination in a bed spring structure comprising upright body springs and top and bottom border frames assembled therewith, of arms fixedly secured to the end members of the top border frame to depend centrally thereof, equalizer bars pivotally mounted on said arms, clips secured to the end members of the bottom border frame in spaced relation to said arms, and coacting pairs of links pivotally connected to said clips and to the ends of said equalizer bars, said equalizer bars being normally disposed at an angle to the vertical planes of their pivots.

2. The combination in a bed spring structure comprising upright body springs and border frames assembled therewith, of arms fixedly secured to the end members of one border frame centrally thereof, equalizer bars pivotally mounted on said arms, clips secured to the end members of the other border frame in spaced relation to said arms, and coacting pairs of links pivotally connected to said clips and to the ends of said equalizer bars.

3. The combination in a bed spring structure comprising upright body springs and top and bottom border frames assembled therewith, of equalizer bars pivotally mounted on opposite members of the top border frame centrally thereof, and links pivotally mounted on the bottom border frame on opposite sides of and in spaced relation to the equalizer bars, said links being pivotally connected to said equalizer bars on opposite sides of their pivots, the equalizer bars being normally inclined.

4. The combination in a bed spring structure comprising upright body springs and border frames assembled therewith, of equalizer bars pivotally mounted on opposite members of one lOO frames against lateral swaying and sagging including equalizer bars pivotally connected to the head and foot of one of said frames, and links pivotally connected at one end to said bars and at the other end to the head and foot of the other one of said frames, there being a pair of said links connected to each of said bars.

GEORGE A. STACKHOUSE. 

